Epidemiology — Flashcards

A negative likelihood ratio < _____ indicates a highly sensitive test.

Procedure bias is an error introduced in _____ that results from different groups being treated differently

_____ is a measure of malaria incidence and calculated as (Cases in one year 1000) / Population under surveillance

_____ is when an external variable truly positively or negatively impacts the observed effect of a risk factor on disease status

Migration bias can be remedied with the _____ or the Best / Worst Case analysis

Observer-Expectancy Bias is an error introduced _____ where the researchers belief in the efficacy of a treatment changes the outcome of treatment

Increased prevalence results in _____ positive predictive value

When do you use a CIR?- when there is a _____ population that is starting at a common point in time- when an outcome can occur only once- and when disease event rates are relatively stable over time

Increased prevalence results in _____ negative predictive value

If people with a chronic disease live longer, there is _____ incidence and increased prevalence